Flora of North America species comparison

simple or few from base, decumbent to ascending, (arising laterally from a tight hemispherical tuft of leaves), to 0.15 dm.

several from base, erect, (arising among leaves of an elongated main axis), to 5 dm (± equal).

similar to cauline, (erect, surfaces silvery).

(shortly petiolate);

blade obovate to oblanceolate, (1.5–)2.5–5(–6) cm, margins entire, sinuate to shallowly toothed, or pinnatifid.

(ascending, subsessile);

blade linear-oblanceolate, (0.6–)0.8–1.3(–1.5) cm, margins entire, (apex acute to narrowly obtuse).

(sessile or shortly petiolate);

blade oblanceolate to oblong, 1.3–3(–4) cm, (base cuneate), margins entire or repand to dentate.

strongly congested, (often sessile or nearly so, lateral to leaves).

dense.

sepals (loosely erect), narrowly oblong, 3–4 mm;

petals spatulate, 5–6 mm.

sepals elliptic or obovate, 2.6–4.1 mm, (median pair thickened apically, cucullate);

petals (bright yellow), obovate, 3.5–6.5(–7.5) mm, (margins sinuate).

(erect or ascending, straight to slightly curved), 3–6 mm.

(usually spreading horizontally, straight), 7–14(–21) mm.

ovate, compressed (latiseptate) on margins and apically, 4–5 mm;

valves pubescent, trichomes densely appressed;

ovules 4 per ovary;

style 1–1.5 mm.

(sessile or substipitate);

globose, often slightly compressed apically, (1–)2–3 mm;

valves sparsely pubescent, sometimes pubescent inside, trichomes spreading, 3–5-rayed;

ovules 4 per ovary;

style 2–3.5(–4) mm.

plump.

flattened or plump, (often outer surface hemispherical, inner surface flattened, or both surfaces rounded).

= 14.